Correlations Between Clinical Characteristics of Patients and PET/CT Findings
| Characteristic | Negative PET/CT | Positive PET/CT | Doubtful PET/CT | P |
| n | 300 | 645 | 55 | |
| PSA level, in ng/mL* | 1.20 (0.58–2.35) | 6.65 (2.56–17.47) | 1.8 (0.85–3.9) | 0.073† |
| PSA range | ||||
| <1 ng/mL | 127 (42.3) | 66 (10.2) | 18 (32.7) | <0.001‡ |
| ≥1 but <2 ng/mL | 74 (24.7) | 66 (10.2) | 13 (23.6) | |
| ≥2 ng/mL | 99 (33) | 513 (79.5) | 24 (43.6) | |
| GS | ||||
| ≤6 | 113 (37.7) | 127 (19.7) | 17 (30.9) | <0.001‡ |
| 7 | 120 (40) | 206 (31.9) | 21 (38.2) | |
| >7 | 67 (22.3) | 312 (48.4) | 17 (30.9) | |
| Type of therapy | ||||
| RP alone | 161 (53.7) | 162 (25.1) | 30 (54.5) | <0.001‡ |
| RP and adjuvant EBRT (with or without HT) | 50 (16.7) | 107 (16.6) | 10 (18.2) | |
| EBRT (with or without HT) | 35 (11.7) | 113 (17.5) | 4 (7.3) | |
| HT alone | 10 (3.3) | 109 (16.9) | 2 (3.6) | |
| NA | 44 (14.7) | 154 (23.9) | 9 (16.4) |